package apiday02;

/**
 * boolean matches(String regex):匹配
 *
 * */
public class MatchesDemo {
    public static void main(String[] args) {
//   [a-zA-Z0-9_]+@[a-zA-Z0-9]+(\.[a-zA-Z])+
        String email = "wangkj@tedu.cn";
        String regex = "[a-zA-Z0-9_]+@[a-zA-Z0-9]+(\\.[a-zA-Z]+)+";
        boolean match = email.matches(regex);
        if(match){
            System.out.println("正确");
        }else{
            System.out.println("错误");
        }
    }

}
